| partenza | departure |
| Parthenay | Parthenay |
| Parthenocissus quinquefolia | Parthenocissus quinquefolia |
| Parti | Parthia |
| parti del discorso | part of speech |
| parti della pianta | plant component |
| parti di un edificio | building component |
| Parti in fretta e non tornare | Have Mercy on Us All |
| parti intime | sex organ |
| parti molli | soft parts |
| Parti per milione | Part per million |
| Parti Québécois | Parti Québécois |
| Partial Test Ban Treaty | Partial Test Ban Treaty |
| particella | particle |
| particella alfa | alpha particle |
| Particella elementare | Elementary particle |
| particella subatomica | subatomic particle |
| particella virtuale | virtual particle |
| Particelle | Grammatical particle |
| Particelle Alfa | Alpha particle |
| Particelle cariche | Charged particle |
| Particelle composite | Composite particles |
| Particelle elementari | Elementary particles |
| Particelle energetiche | Energetic particles |
| Particelle fondamentali | Fundamental particles |
| Particelle non termiche | Nonthermal particle |
| Particelle relativistiche | Relativistic particle |
| particina | bit part |
| participiale | participial |
| participio | participle |
| participio passato | past participle |
| participio presente | present participle |
| particola | host |
| Particolar | Business |
| particolare | goofy |
| particolare rimasto in sospeso | loose ends |
| particolareggiare | particularize |
| particolareggiato | detailed |
